I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
My question is how to handle large amounts of data over the Gatt service
Our Current setup is 10 devices all on a Mesh Network. We use nRF5 SDK for Mesh and NRF mesh BLE...
Hello,
My project requires me to send acceleration data to phone. So, i have started with Custom BLE app.
Since i need to send 3 values, of x, y and z-axis. So i need...
hello
i am using nrf52832, with ble (s132 softdevice), pwm drv, saadc drcm uart, and using app_timers
i have added the twi drv to work with an expander for start.
...
We are using the Android-BLE-library version 2.1.1 above Android 9 (API level 28, using Java 8) in order to connect to a BLE-MCU. This MCU advertises a custom BLE profile...
I used NRF5 SKD before, it is my first time to use nrf connect sdk. I had been spent few days to learn how to use it to develop ,but encountered many problems.
LED_EFFECT_LED_ON...
I am having a problem using the Random Number Generator AFTER the BLE driver is initialized. I have traced this to an exception being thrown if I access any RNG registers...
Looks like pc-ble-driver connectivity (hex file) firmware is limited to MTU of 250 via NRF_SDH_BLE_GATT_MAX_MTU_SIZE. We need to use MTU 515 to match what is supported by...
Hello,
Please forgive my dumb question but you'll save me so much frustration if you can help. I've been trying for 48 hours already.
I've just bought the nRF52 Development...
Hi everyone,
I am desing my own pcb using nRF52840 SOC. Looking the reference design I can see two external crystalls one 32.768kHz and one 32MHz.
1. The 32.768kHz is...
The reverse task is easy: Central can read service 0x1800, attribute 0x2a00 from peripheral. Central can obtain peripheral name from advertising data...
But how peripheral...
I'm using sdk15.0.0 and device nrf52840
I have 5 services among them only 1 service is for notifications and remaining services for reading and writes functionality. ...
Hi,
I build an Xamarin bluetooth application and I needs Plugin BLE nuget package Service, Characteristic and Descriptor UUID numbers. My device is nRF52840. I would like...